/* Toolbar */
.album-toolbar { display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin-bottom:14px; }
.chip { padding:8px 12px; border-radius:999px; border:1px solid rgba(231,84,128,0.4); background:rgba(255,255,255,0.8); color:#8a3d8a; cursor:pointer; transition:background 0.25s, transform 0.15s; }
.chip.active { background:linear-gradient(90deg,#e75480 0%, #e0c3fc 100%); color:#fff; border-color:transparent; }
.chip:hover { transform: translateY(-1px); }
.chip.fav-toggle { display:flex; align-items:center; gap:6px; }

/* Enhanced Romantic Grid Album */
.album-grid { 
  display:grid; 
  grid-template-columns: repeat(5, 1fr); 
  gap:16px; 
  padding: 20px 0;
  max-width: 1600px;
  margin: 0 auto;
}

/* Photo Container Base */
.photo-container {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.2);
  will-change: transform;
}

.photo-container img {
  width: 100%;
  height: 250px;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(220,120,180,0.15);
  transition: transform 0.2s ease, opacity 0.2s ease;
  border: 1px solid rgba(231,84,128,0.2);
  object-fit: cover;
  object-position: center;
  display: block;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  will-change: transform;
}








/* Desktop hover effect */
@media (hover: hover) and (pointer: fine) {
  .photo-container:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 12px 24px rgba(220,120,180,0.2);
    border-color: rgba(231,84,128,0.3);
  }
}

/* Mobile touch effect */
.photo-container.touched {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(220,120,180,0.25);
}

/* Photo Overlay */
.photo-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(231,84,128,0.15) 0%, rgba(224,195,252,0.15) 100%);
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px;
  border-radius: 16px;
  backdrop-filter: blur(5px);
}

/* Desktop hover effect */
@media (hover: hover) and (pointer: fine) {
  .photo-container:hover .photo-overlay {
    opacity: 1;
  }
}

/* Mobile touch effect */
.photo-container.touched .photo-overlay {
  opacity: 1;
}

.photo-date {
  background: rgba(255,255,255,0.95);
  color: #e75480;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  align-self: flex-start;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.photo-hearts {
  align-self: flex-end;
  font-size: 1.3rem;
  animation: heartFloat 3s ease-in-out infinite;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.floating-hearts {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.6rem;
  animation: heartPulse 2s ease-in-out infinite;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* Simplified Ken Burns Effect */
.ken-burns img {
  animation: kenBurns 15s ease-in-out infinite;
}

@keyframes kenBurns {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* Simplified Parallax Effect */
.parallax {
  transform-style: preserve-3d;
}

.parallax img {
  transition: transform 0.2s ease;
}

/* Simplified Desktop hover effect */
@media (hover: hover) and (pointer: fine) {
  .parallax:hover img {
    transform: scale(1.02);
  }
}

/* Mobile touch effect */
.parallax.touched img {
  transform: translateZ(20px) scale(1.02);
}

/* Flip Card Effect */
.flip-card {
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

/* Desktop hover effect */
@media (hover: hover) and (pointer: fine) {
  .flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
  }
}

/* Mobile touch effect */
.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 14px;
}

.flip-card-front img,
.flip-card-front video {
  width: 100%;
  height: 250px;
  object-fit: cover;
  object-position: center;
  border-radius: 16px;
}

.flip-card-back {
  background: linear-gradient(135deg, #ffe6f7 0%, #e0c3fc 100%);
  transform: rotateY(180deg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-shadow: 0 12px 35px rgba(220,120,180,0.25);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}

.love-letter {
  text-align: center;
  color: #8a3d8a;
}

.love-letter h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: #e75480;
  font-family: 'Dancing Script', cursive;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.love-letter p {
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 12px;
  font-style: italic;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.letter-signature {
  font-size: 0.85rem;
  color: #e75480;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Special Effects */
.special-glow {
  position: relative;
}

.special-glow::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: linear-gradient(45deg, #e75480, #e0c3fc);
  border-radius: 17px;
  z-index: -1;
  opacity: 0.3;
  transition: opacity 0.2s ease;
  animation: glowPulse 4s ease-in-out infinite;
}

.special-glow:hover::before {
  opacity: 0.7;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

.rainbow-border {
  position: relative;
  background: linear-gradient(45deg, #e75480, #e0c3fc, #ff6b9d, #c44569);
  padding: 2px;
  border-radius: 18px;
}

.rainbow-border img,
.rainbow-border video {
  border-radius: 16px;
}

/* Animations */
@keyframes heartFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-4px); }
}

@keyframes heartPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.1); }
}

/* Regular images (fallback) */
.album-grid img:not(.photo-container img) {
  width: 100%;
  height: 250px;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(220,120,180,0.15);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: zoom-in;
  border: 1px solid rgba(231,84,128,0.2);
  object-fit: cover;
  object-position: center;
  display: block;
}

.album-grid img:not(.photo-container img):hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 28px rgba(220,120,180,0.22);
}

.album-grid img.favorited {
  outline: 3px solid #e75480;
  filter: saturate(1.1);
}

@media (max-width: 1400px) { 
  .album-grid { 
    grid-template-columns: repeat(4, 1fr); 
    gap: 14px;
    max-width: 1200px;
  }
  .photo-container img,
  .photo-container video,
  .flip-card-front img,
  .flip-card-front video,
  .album-grid img:not(.photo-container img) {
    height: 220px;
  }
}
@media (max-width: 1100px) { 
  .album-grid { 
    grid-template-columns: repeat(3, 1fr); 
    gap: 12px;
    max-width: 900px;
  }
  .photo-container img,
  .photo-container video,
  .flip-card-front img,
  .flip-card-front video,
  .album-grid img:not(.photo-container img) {
    height: 200px;
  }
}
@media (max-width: 800px) { 
  .album-grid { 
    grid-template-columns: repeat(2, 1fr); 
    gap: 10px;
    max-width: 600px;
  }
  .photo-container img,
  .photo-container video,
  .flip-card-front img,
  .flip-card-front video,
  .album-grid img:not(.photo-container img) {
    height: 180px;
  }
}
@media (max-width: 500px) { 
  .album-grid { 
    grid-template-columns: 1fr; 
    gap: 8px;
    max-width: 400px;
  }
  .photo-container img,
  .photo-container video,
  .flip-card-front img,
  .flip-card-front video,
  .album-grid img:not(.photo-container img) {
    height: 250px;
  }
}

/* Enhanced Lightbox with Zoom and Swipe Support */
.lightbox { 
  position: fixed; 
  inset: 0; 
  background: rgba(0,0,0,0.9); 
  display: none; 
  align-items: center; 
  justify-content: center; 
  z-index: 300;
  backdrop-filter: blur(10px);
}
.lightbox.open { display: flex; }

.lightbox-content { 
  position: relative; 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  gap: 8px;
  max-width: 95vw;
  max-height: 90vh;
}

.lightbox-image-container {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  cursor: grab;
  user-select: none;
}

.lightbox-image-container:active {
  cursor: grabbing;
}

.lightbox-image { 
  max-width: 92vw; 
  max-height: 76vh; 
  border-radius: 12px; 
  transition: transform 0.3s ease;
  transform-origin: center center;
}

.lightbox-image.zoomed {
  cursor: grab;
}

.lightbox-image.zoomed:active {
  cursor: grabbing;
}

/* Zoom Controls */
.zoom-controls {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 5px;
  z-index: 10;
}

.zoom-controls button {
  background: rgba(255,255,255,0.9);
  border: none;
  border-radius: 50%;
  width: 35px;
  height: 35px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.zoom-controls button:hover {
  background: rgba(231,84,128,0.9);
  color: white;
  transform: scale(1.1);
}

.lightbox-caption { 
  color: #fff; 
  font-size: 0.95rem; 
  opacity: 0.9; 
  text-align: center;
  margin-top: 10px;
}
.lightbox-count { 
  color: #fff; 
  font-size: 0.9rem; 
  opacity: 0.75;
  margin-top: 5px;
}

.lightbox-close { 
  position: absolute; 
  top: 16px; 
  right: 18px; 
  background: rgba(255,255,255,0.85); 
  border: none; 
  border-radius: 50%; 
  width: 38px; 
  height: 38px; 
  font-size: 22px; 
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
}

.lightbox-close:hover {
  background: rgba(231,84,128,0.9);
  color: white;
  transform: scale(1.1);
}

.lightbox-nav { 
  position: absolute; 
  width: 100%; 
  top: 50%; 
  display: flex; 
  justify-content: space-between; 
  transform: translateY(-50%); 
  padding: 0 20px;
  pointer-events: none;
}

.lightbox-nav .prev, .lightbox-nav .next { 
  background: rgba(255,255,255,0.85); 
  border: none; 
  width: 42px; 
  height: 42px; 
  border-radius: 50%; 
  cursor: pointer; 
  font-size: 22px;
  transition: all 0.3s ease;
  pointer-events: auto;
}

.lightbox-nav .prev:hover, .lightbox-nav .next:hover {
  background: rgba(231,84,128,0.9);
  color: white;
  transform: scale(1.1);
}

/* Swipe Indicator */
.swipe-indicator {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.swipe-hint {
  background: rgba(255,255,255,0.9);
  color: #8a3d8a;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  animation: swipeHint 3s ease-in-out infinite;
}

@keyframes swipeHint {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) translateY(0px); }
  50% { opacity: 1; transform: translateX(-50%) translateY(-5px); }
}

/* Night mode tweaks */
body.night .lightbox { background: rgba(8,10,20,0.92); }
body.night .lightbox-caption, body.night .lightbox-count { color:#e6def8; }

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .album-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  
  .album-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .chip {
    text-align: center;
    padding: 10px;
  }
  
  /* Mobile video adjustments */
  .photo-container video {
    min-height: 150px;
  }
  
  .photo-container video::-webkit-media-controls {
    background: rgba(0,0,0,0.5);
  }
}

/* Mobile lightbox video adjustments */
.lightbox-image-container video {
  max-width: 90vw;
  max-height: 85vh;
  width: auto;
  height: auto;
  background-color: #000;
  display: block;
  margin: 0 auto;
  min-width: 600px;
  min-height: 400px;
}

/* Ensure lightbox video container is visible */
.lightbox-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

/* Mobile responsive video sizing */
@media (max-width: 768px) {
  .lightbox-image-container video {
    min-width: 90vw;
    min-height: 50vh;
    max-width: 95vw;
    max-height: 70vh;
  }
}

@media (max-width: 480px) {
  .album-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .photo-container video {
    min-height: 120px;
  }
}